ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,548,783, issued on Feb. 10, was assigned to AUDI AG (Ingolstadt, Germany).
"Bipolar plate and fuel cell stack" was invented by Oliver Keitsch (Heilbronn, Germany) and Raimund Theo Strobel (Heilbronn, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bipolar plate formed from two interconnected individual plates is provided, which individual plates are each formed with a reactant flow field on plate surfaces facing away from each other, which reactant flow field comprises a plurality of flow ducts for a reaction medium which are delimited by walls of webs, wherein the webs and the flow ducts of one of the individual plates extend in an active regi...